Question

16. 2a - [4b - {4a - (3b - 2a + 2b)}]
170 5x - [4y - {7x - (32 - 2y) + 4z - 3(x + 3y - 2z}}]​

Answer 1

Answer:

${ - {2 \frac{x. - {4 {2x - - \times \times { \frac{ {}^{?} \times \frac{?}{?} }{?} }^{2} }^{2} }^{2} }{?} }^{?} }^{2}$

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